A custom 5x5 pixel font designed for tiny screens on resource-constrained microcontrollers like the AVR128DA28. The font fits in just 350 bytes, uses a fixed-width monospace design for simpler programming, and is legible at the smallest practical size. The post explores the design tradeoffs at various resolutions from 5x5 down to 2x2, showing real hardware renders and discussing where legibility breaks down. It also provides the font as a C header file for direct use in embedded projects.
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